<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="https://cdn.bootcss.com/jquery/3.3.1/jquery.js"></script>
</head>
<body>
    <form method="post" action="/gw">
        <input name="cs" hidden value="aaaa">
        <input hidden name="_csrf" value="vvvvvvvvvvvvvv">
        <button type="submit">提交</button>

    </form>
</body>

    <script>


    </script>

</html>